John Wolfe to senior VP-director of public affairs, American Association of Advertising Agencies, New York, from director of communications, Museum of Modern Art. He succeeds Joyce Harrington, who is retiring. Mr. Wolfe is a former New York bureau chief of Advertising Age.

Nina Cohen to VP-marketing, Norwegian Cruise Line, Miami, from the same title at the Greater Miami Convention & Visitors Bureau. The post had been vacant.

Kathleen Foley Murphy, 44, to general manager, Y&R Advertising, San Francisco, a new position, from director-account services.